real world; real society
Refers to society as it actually exists, often contrasted with ideals, theory, or virtual environments.
It's important to experience the real world while you're still a student.
The real world doesn't work on idealism alone.
現実 means 'reality' in a broad sense, while 現実社会 specifically refers to the societal aspect of reality.
社会 is 'society' in general; 現実社会 emphasizes the actual, practical society as opposed to theoretical or ideal.
Compound of 現実 (reality) and 社会 (society).